Walayyar'ala Arai'isw'la Al-Mahramun

Imam Al-Aqazari says that every believer is Walayyar, but there are degrees. The lowest station of WalayYar is called Wali'u-la al-Amanu. Only Allah knows the human heart and it belongs to nobody except God. But sincerity is just, that really is the key.